title: HyDRa: control of parameters for deterministic polishing.
abstract: Deterministic hydrodynamic polishing with HyDRa requires a precise control of polishing parameters, such as propelling air pressure, slurry density, slurry flux and tool height. We describe the HyDRa polishing system and prove how precise, deterministic polishing can be achieved in terms of the control of these parameters. The polishing results of an 84 cm hyperbolic mirror are presented to illustrate how the stability of these parameters is important to obtain high-quality surfaces.
authors.forename: E
authors.initials: E
authors.lastname: Ruiz
authors.forename: L
authors.initials: L
authors.lastname: Salas
authors.forename: E
authors.initials: E
authors.lastname: Sohn
authors.forename: E
authors.initials: E
authors.lastname: Luna
authors.forename: J
authors.initials: J
authors.lastname: Herrera
authors.forename: F
authors.initials: F
authors.lastname: Quiros